短語(yǔ)詞組短語(yǔ)vacuum m heat treatment furnace 真空熱處理爐fired -gas vacuum heat treatment furnace 燃?xì)庹婵諢崽幚頎tchemical heat treatment vacuum furnace 真空化學(xué)熱處理爐ion -bombarding heat treatment vacuum furnace 真空離子轟擊熱處理爐 返回 vacuum heat treatment furnace